#include <Geom_BSplineCurve.hxx>
+#include <GeomConvert.hxx>
+
#define MY_BSPLINE (*(implPtr<Handle_Geom_BSplineCurve>()))
-GeomAPI_BSpline::GeomAPI_BSpline(const GeomCurvePtr& theCurve)
+GeomAPI_BSpline::GeomAPI_BSpline (const GeomCurvePtr& theCurve)
{
GeomCurvePtr anUntrimmedCurve = theCurve->basisCurve();
Handle(Geom_Curve) aCurve = anUntrimmedCurve->impl<Handle(Geom_Curve)>();
{
return MY_BSPLINE->IsPeriodic();
}
+
+GeomBSplinePtr GeomAPI_BSpline::convertToBSpline (const GeomCurvePtr& theCurve)
+{
+ GeomCurvePtr anUntrimmedCurve = theCurve->basisCurve();
+ Handle(Geom_Curve) aCurve = anUntrimmedCurve->impl<Handle(Geom_Curve)>();
+ Handle(Geom_BSplineCurve) aBSpl = Handle(Geom_BSplineCurve)::DownCast(aCurve);
+ if (aBSpl.IsNull()) {
+ // convert to b-spline
+ aBSpl = GeomConvert::CurveToBSplineCurve(aCurve);
+ }
+ if (aBSpl.IsNull())
+ throw Standard_ConstructionError("GeomAPI_BSpline: Conversion to B-spline failed");
+ GeomCurvePtr aResCurve (new GeomAPI_Curve());
+ aResCurve->setImpl(new Handle_Geom_BSplineCurve(aBSpl));
+ GeomBSplinePtr aResult (new GeomAPI_BSpline(aResCurve));
+ return aResult;
+}